consensus

type GenerationSignatureProvider interface {
	// GenerationSignature calculates generation signature from given message using secret or public key of block's generator.
	GenerationSignature(key [crypto.KeySize]byte, msg []byte) ([]byte, error)

	// HitSource calculates hit source bytes for given message and key.
	HitSource(key [crypto.KeySize]byte, msg []byte) ([]byte, error)

	// VerifyGenerationSignature checks that generation signature is valid for given message and generator's public key.
	// It returns verification result and error if any.
	VerifyGenerationSignature(pk crypto.PublicKey, msg, sig []byte) (bool, []byte, error)
}

type Hit = big.Int

type PosCalculator interface {
	HeightForHit(height uint64) uint64
	CalculateBaseTarget(
		targetBlockDelaySeconds uint64,
		prevHeight uint64,
		prevTarget uint64,
		parentTimestamp uint64,
		greatGrandParentTimestamp uint64,
		currentTimestamp uint64,
	) (uint64, error)
	CalculateDelay(hit *big.Int, parentTarget, balance uint64) (uint64, error)
}

type Validator struct {
	// contains filtered or unexported fields
}